5256424784 has 80 divisors (see below), whose sum is σ = 12047145600. Its totient is φ = 2198389248.

The previous prime is 5256424781. The next prime is 5256424861. The reversal of 5256424784 is 4874246525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256424781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61982 + ... + 119810.

It is an arithmetic number, because the mean of its divisors is an integer number (150589320).

Almost surely, 2^5256424784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5256424784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6023572800).

5256424784 is an abundant number, since it is smaller than the sum of its proper divisors (6790720816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5256424784 is a wasteful number, since it uses less digits than its factorization.

5256424784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57892 (or 57886 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 47.

The square root of 5256424784 is about 72501.2053968760. The cubic root of 5256424784 is about 1738.7220086824.

The spelling of 5256424784 in words is "five billion, two hundred fifty-six million, four hundred twenty-four thousand, seven hundred eighty-four".